dissipate /(dĭs"sĭ*pāt)/

imp. & p. p. Dissipated; p. pr. & vb. n. Dissipating

1. To scatter completely; to disperse and cause to disappear; -- used esp. of the dispersion of things that can never again be collected or restored.

   Dissipated those foggy mists of error.

   I soon dissipated his fears.

   The extreme tendency of civilization is to dissipate all intellectual energy.

2. To destroy by wasteful extravagance or lavish use; to squander.

   The vast wealth . . . was in three years dissipated.

1. To separate into parts and disappear; to waste away; to scatter; to disperse; to vanish; as, a fog or cloud gradually dissipates before the rays or heat of the sun; the heat of a body dissipates.
2. To be extravagant, wasteful, or dissolute in the pursuit of pleasure; to engage in dissipation.